The remote Oracle Linux host is missing one or more security updates.
From Red Hat Security Advisory 2011:1344 :
Updated SeaMonkey packages that fix two security issues are now
available for Red Hat Enterprise Linux 4.
The Red Hat Security Response Team has rated this update as having
critical security impact. Common Vulnerability Scoring System (CVSS)
base scores, which give detailed severity ratings, are available for
each vulnerability from the CVE links in the References section.
SeaMonkey is an open source web browser, email and newsgroup client,
IRC chat client, and HTML editor.
A flaw was found in the way SeaMonkey handled frame objects with
certain names. An attacker could use this flaw to cause a plug-in to
grant its content access to another site or the local file system,
violating the same-origin policy. (CVE-2011-2999)
An integer underflow flaw was found in the way SeaMonkey handled large
causing SeaMonkey to crash or, potentially, execute arbitrary code
with the privileges of the user running SeaMonkey. (CVE-2011-2998)
All SeaMonkey users should upgrade to these updated packages, which
correct these issues. After installing the update, SeaMonkey must be
restarted for the changes to take effect.
See also :
Update the affected seamonkey packages.
Risk factor :
Critical / CVSS Base Score : 10.0